Instantiating containerized applications based on node prioritization information

Abstract

A method includes determining node prioritization information at a prioritization module implemented on a master node, the master node being in communication with each of a plurality of containerized application nodes, the prioritization module configured to determine node prioritization information indicating a relative prioritization of the containerized application nodes for instantiating a containerized application, wherein the determining node prioritization information includes assigning a priority score to a candidate containerized application node, wherein higher priority is given based on a number of virtual storage volumes stored on the candidate containerized application node that is designated for access by the containerized application; and transmitting, based on the prioritized information, an instruction to one of the containerized application nodes to instantiate the containerized application.

1 . A method comprising:
 determining node prioritization information at a prioritization module implemented on a master node, the master node being in communication with each of a plurality of containerized application nodes, the prioritization module configured to determine node prioritization information indicating a relative prioritization of the containerized application nodes for instantiating a containerized application, wherein the determining node prioritization information includes assigning a priority score to a candidate containerized application node, wherein higher priority is given based on a number of virtual storage volumes stored on the candidate containerized application node that is designated for access by the containerized application; and   transmitting, based on the prioritized information, an instruction to one of the containerized application nodes to instantiate the containerized application.   
     
     
         2 . The method of  claim 1 , wherein the master node and each of the plurality of containerized application nodes includes a respective instance of a container engine application executed by an operating system, the container engine application providing a standardized platform for the instantiation and execution of the containerized applications. 
     
     
         3 . The method of  claim 2 , wherein a scheduler is a native component of the container engine application. 
     
     
         4 . The method of  claim 3 , wherein the prioritization module is implemented via a scheduler extender that supports a plurality of modules that extend logic of the scheduler, the plurality of modules including the prioritization module. 
     
     
         5 . The method of  claim 1 , wherein instantiated containerized applications at each of the containerized application nodes each include a storage driver. 
     
     
         6 . The method of  claim 1 , wherein the prioritization information for the containerized application nodes is determined at least in part based on whether the containerized application node is in a failed, non-response, or errored state. 
     
     
         7 . The method of  claim 1 , wherein the prioritization information for the containerized application nodes is determined at least in part based on node performance information indicating a computing workload associated with the containerized application node. 
     
     
         8 . A computing system comprising:
 a master node that includes a prioritization module, the prioritization module configured to determine node prioritization information indicating a relative prioritization of each of a plurality of containerized application nodes for instantiating a containerized application;   wherein higher priority is given based on a number of virtual storage volumes stored on each containerized application node.   
     
     
         9 . The computing system recited in  claim 8 , wherein the master node and each of the plurality of containerized application nodes includes a respective instance of a container engine application executed by an operating system, the container engine application providing a standardized platform for the instantiation and execution of the containerized applications. 
     
     
         10 . The computing system recited in  claim 9 , wherein the master node further includes a scheduler that is a native component of the container engine application. 
     
     
         11 . The computing system recited in  claim 10 , wherein the prioritization module is implemented via a scheduler extender that supports a plurality of modules that extend logic of the scheduler, the plurality of modules including the prioritization module. 
     
     
         12 . The computing system recited in  claim 8 , wherein instantiated containerized applications at each of the containerized application nodes includes a storage driver. 
     
     
         13 . The computing system recited in  claim 8 , wherein the prioritization information for the containerized application nodes is determined at least in part based on whether the containerized application node is in a failed, non-response, or errored state. 
     
     
         14 . The computing system recited in  claim 8 , wherein the prioritization information for the containerized application nodes is determined at least in part based on node performance information indicating a computing workload associated with the containerized application node. 
     
     
         15 . One or more non-transitory machine readable media having instructions stored thereon for performing a method, the method comprising:
 determining node prioritization information at a prioritization module implemented on a master node, the master node being in communication with each of a plurality of containerized application nodes, the prioritization module configured to determine node prioritization information indicating a relative prioritization of the containerized application nodes for instantiating a containerized application, wherein the determining node prioritization information includes assigning a priority score to a candidate containerized application node, wherein higher priority is given based on a number of virtual storage volumes stored on the candidate containerized application node that is designated for access by the containerized application; and   transmitting, based on the prioritized information, an instruction to one of the containerized application nodes to instantiate the containerized application.   
     
     
         16 . The one or more non-transitory machine readable media of  claim 15 , wherein the master node and each of the plurality of containerized application nodes includes a respective instance of a container engine application executed by an operating system, the container engine application providing a standardized platform for the instantiation and execution of the containerized applications. 
     
     
         17 . The one or more non-transitory machine readable media of  claim 16 , wherein a scheduler is a native component of the container engine application. 
     
     
         18 . The one or more non-transitory machine readable media of  claim 17 , wherein the prioritization module is implemented via a scheduler extender that supports a plurality of modules that extend logic of the scheduler, the plurality of modules including the prioritization module. 
     
     
         19 . The one or more non-transitory machine readable media of  claim 15 , wherein instantiated containerized applications at each of the containerized application nodes each include a storage driver. 
     
     
         20 . The one or more non-transitory machine readable media of  claim 15 , wherein the prioritization information for the containerized application nodes is determined at least in part based on whether the containerized application node is in a failed, non-response, or errored state.